petraeus' admitted affair, the time line of this fbi investigation, and when exactly the president was told about it. meanwhile, the white house says the president still has faith in general john allen, the current u.s. commander in afghanistan, who is now under investigation by the pentagon's inspector general from what officials skra as potentially inappropriate e-mails with one of the women directly involved in the case. nbc's chief foreign affairs correspondent andrea mitchell has more on an ever widening story. >> reporter: the scanndal involving two very different women, tampa social yate jill kelley, and petraeus biographer and former mistress paula broadwell ensnared not only petraeus but his successor. marine general john allen, who took over from petraeus in afghanistan, and is the president's choice to be supreme allied command earp of anywnato forces in aurp. a nomination now temporarily on hold. the general is married with a sterling record, but on a flight to australia monday night, aides to defense secretary leon panetta disclosed a dramatic turn in the petraeus case. fb